1/*	$KAME: rijndael.h,v 1.6 2003/08/28 08:36:32 itojun Exp $	*/
2
3/**
4 * rijndael-alg-fst.h
5 *
6 * @version 3.0 (December 2000)
7 *
8 * Optimised ANSI C code for the Rijndael cipher (now AES)
9 *
10 * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be>
11 * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be>
12 * @author Paulo Barreto <paulo.barreto@terra.com.br>
13 *
14 * This code is hereby placed in the public domain.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
17 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
26 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef __RIJNDAEL_H
30#define	__RIJNDAEL_H
31
32#define RIJNDAEL_MAXKC	(256/32)
33#define RIJNDAEL_MAXKB	(256/8)
34#define RIJNDAEL_MAXNR	14
35
36typedef struct {
37	int	decrypt;
38	int	Nr;		/* key-length-dependent number of rounds */
39	uint32_t ek[4 * (RIJNDAEL_MAXNR + 1)];	/* encrypt key schedule */
40	uint32_t dk[4 * (RIJNDAEL_MAXNR + 1)];	/* decrypt key schedule */
41} rijndael_ctx;
42
43void	rijndael_set_key(rijndael_ctx *, const u_char *, int);
44void	rijndael_decrypt(const rijndael_ctx *, const u_char *, u_char *);
45void	rijndael_encrypt(const rijndael_ctx *, const u_char *, u_char *);
46
47int	rijndaelKeySetupEnc(uint32_t [/*4*(Nr+1)*/], const uint8_t [], int);
48int	rijndaelKeySetupDec(uint32_t [/*4*(Nr+1)*/], const uint8_t [], int);
49void	rijndaelEncrypt(const uint32_t [/*4*(Nr+1)*/], int,
50	const uint8_t[16], uint8_t [16]);
51void	rijndaelDecrypt(const uint32_t [/*4*(Nr+1)*/], int,
52	const uint8_t [16], uint8_t [16]);
53
54#endif /* __RIJNDAEL_H */
55